nomadseason

September Weather in Merinos, Uruguay

Last updated: August 28, 2025

In September, the average temperature in Merinos, Uruguay hovers around 15°C (60°F), offering a pleasant climate for various activities. However, be prepared for fluctuations, as temperatures can dip to a chilly 0°C (33°F) or soar to a warm 33°C (91°F). With an average humidity of 71%, the air may feel quite moist, and don’t forget your umbrella—126 mm (5.0 in) of precipitation is expected over about 9 days. Enjoy the unique weather that September brings!

September Temperature in Merinos

In September in Merinos, the average temperature is 15°C (60°F). The maximum can reach 33°C (91°F), while the minimum can drop as low as 0°C (33°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities, but it's wise to pack for both warm days and chilly nights.

September Weather in Merinos: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Merinos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merinos, September typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec767470665854535559647073
Data source: Temperature data for Merinos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Merinos

In Merinos in September, the precipitation amount is 126 mm (5.0 in) spread over 9 days.

September Precipitation Trends in Merinos

The chart displays monthly precipitation patterns in Merinos, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Merinos, September typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1281077894106125751041261268188
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Merinos

In Merinos in September humidity is 71%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket wrapped around you, making travel slightly uncomfortable as you feel sticky and sluggish.

September Average Humidity in Merinos

This chart illustrates the average monthly humidity levels in Merinos, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Merinos is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%64%70%80%85%82%72%67%71%69%65%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Merinos

In Merinos in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Merinos.

Maximum UV Index Levels in Merinos for September

The chart shows the monthly maximum UV Index (UVI) for Merinos in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Merinos typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312854468111314
Data source: Merinos September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Merinos Compares to Other Months

Weather in Merinos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Merinos, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Merinos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)128 mm (5.0 inches)58%extreme
February Weather23°C (74°F)107 mm (4.2 inches)64%extreme
March Weather21°C (71°F)78 mm (3.1 inches)70%extreme
April Weather19°C (66°F)94 mm (3.7 inches)80%very high
May Weather14°C (58°F)106 mm (4.2 inches)84%moderate
June Weather12°C (55°F)125 mm (4.9 inches)82%moderate
July Weather12°C (53°F)75 mm (3.0 inches)72%moderate
August Weather13°C (56°F)104 mm (4.1 inches)67%high
September Weather15°C (60°F)126 mm (5.0 inches)71%very high
October Weather18°C (64°F)126 mm (5.0 inches)69%extreme
November Weather21°C (70°F)81 mm (3.2 inches)65%extreme
December Weather23°C (74°F)88 mm (3.5 inches)66%extreme

Compare Merinos's Climate with Cities Worldwide